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    Thanks for clarification. Another alternative...

    Thanks for clarification.

    Another alternative to set the port into single-wire mode would be to add new defines for format that could be passed to begin function, but I think a new API for the...
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    BTW I've noticed that in HadwareSerialX.cpp...

    BTW I've noticed that in HadwareSerialX.cpp configuration of the IOMUXC for TX pins in omitted for most of the serials (except Serial5/LPUART8). Is there any particular reason for that?

    Here is an...
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    Thank you all for the quick reply That did...

    Thank you all for the quick reply



    That did the trick, thanks a lot!
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    Single-wire serial

    I wonder if any of the betatesters here managed to get the T4.0 serials in single-wire mode functional. I'm struggling to get it working.
    ...
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    Teensy 4.0 and single-wire serial

    Hi,

    I'm trying to switch Teensy 4.0 serials into single-wire mode but it doesn't quite work for me. I'm trying to follow the i.MX RT1060 Processor Reference Manual and do the following:

    First I...
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    Show us your code for the receiving Teensy.

    Show us your code for the receiving Teensy.
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    Do you use the same Teensy for receive and...

    Do you use the same Teensy for receive and transmit or you use two different devices?

    Try using some proven device as a receiver to make sure the messages are properly acknowledged on the CAN bus.
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    Checked my old emails and it was 42M that was...

    Checked my old emails and it was 42M that was faulty in my case.

    Do you use slope control on purpose (10k resistor on RS)? Did you try switching to High Speed mode instead (RS directly to ground)?
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    Got it. Please check the batch number of the...

    Got it.

    Please check the batch number of the transceivers. I've purchased ones a couple of times that were always faulty (42M if I remember correctly).
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    The 120 ohm resistor should be between H and L...

    The 120 ohm resistor should be between H and L line, not in series with CAN L...
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    Can you show us your connections? Especially the...

    Can you show us your connections? Especially the ones between the Teensy and the transceiver?
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    Do you have the 120ohm terminating resistor?

    Do you have the 120ohm terminating resistor?
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    You probably have no other device connected to...

    You probably have no other device connected to your CAN bus that would receive what you send...
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    Minor thing, but you are missing T3.5 in...

    Minor thing, but you are missing T3.5 in txAlt/rxAlt parameters description (table for begin function).
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    That's only a pull request from H4nky84 that...

    That's only a pull request from H4nky84 that wasn't merged (neither on the teachop's repo nor on my fork).
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    CollinK, I did some correction recently to my...

    CollinK, I did some correction recently to my fork of the FlexCAN library to use proper alternative pins for T3.5. Also updated the pictures in the readme to include the alternative CAN pins. You may...
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    It would also be worth mentioning somewhere in...

    It would also be worth mentioning somewhere in the release notes that since 1.34-beta3 the included FlexCAN library API changed significantly and is no longer backward compatible, so installing 1.34...
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    Done...

    Done
    https://github.com/pawelsky/FlexCAN_Library/commit/2d2776166118ef6512e4a301f6b07b009e8edb5c
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    I agree that we should aim towards consistent...

    I agree that we should aim towards consistent APIs, but that would require bigger refactoring of the library so I'll leave it for teachop. In the meantime I've added simplified selection of the...
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    I fully understand why you went for the pads and...

    I fully understand why you went for the pads and I do like the design, I was only suggesting adding TH (next to the pads) to make it more universal if you decide to share the design at some point...
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    That could cause people trying to use any pin for...

    That could cause people trying to use any pin for CAN. I would rather think of some kind of CAN.setAlternativePins(alt) that would only allow to chose between alternative pin sets.


    Regarding the...
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    Noticed a problem in the boards.txt for Teensy...

    Noticed a problem in the boards.txt for Teensy 3.6 and clock frequencies below 24MHz - the speed.xxx and speed.xxx.build.yyy variable names do not match (opt suffix is missing for 2, 4, 8 and 16MHz...
  23. Thread: K66 Beta Test

    by pawelsky
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    If nobody finds any issues, then please do.

    If nobody finds any issues, then please do.
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    For those playing with Teensy 3.6 I've updated...

    For those playing with Teensy 3.6 I've updated the teachop's library with the dual CAN support
    https://github.com/pawelsky/FlexCAN_Library
  25. Thread: K66 Beta Test

    by pawelsky
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    Finished simultaneous dual CAN support and it...

    Finished simultaneous dual CAN support and it seems to be working fine. I've used a simple tests that transmits whatever is received on CAN0 to CAN1 and vice versa at 1Mbps.

    Tried all the clock...
  26. Thread: K66 Beta Test

    by pawelsky
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    I've created a fork of the FlexCAN library, where...

    I've created a fork of the FlexCAN library, where I'm adding my changes.
    https://github.com/pawelsky/FlexCAN_Library/
    So far you can select which CAN controller to use by providing an extra...
  27. Thread: K66 Beta Test

    by pawelsky
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    My Teensy 3.6 has recently arrived (thanks again...

    My Teensy 3.6 has recently arrived (thanks again Paul and Robin) and I did some quick tests with the FlexCAN library.

    I've loaded one of my sketches using the FlexCAN library at 1Mbit/s and it...
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    Paul, did you consider using the 1.5 library...

    Paul,

    did you consider using the 1.5 library format to take advantage of the new library manager and autoupdate?
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    Looks like so...

    Looks like so...
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    In general I didn't have problems with the 230...

    In general I didn't have problems with the 230 chip, except one particular batch, which I've received twice from different sellers. It was labeled 42M and refused to work correctly.
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    What ECU are you using? Do you use the 120 ohm...

    What ECU are you using? Do you use the 120 ohm resistor together with the ECU? Did you try connecting the analyzer directly to the Teensy CAN RX/TX pins (I believe it has an option to do so)?
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    Is there any CAN device actively receiving/acking...

    Is there any CAN device actively receiving/acking the CAN packets in the network (not sure if the CAN analyzer is passive or active)? Is the baudrate correct?
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    So that's why you don't see errors. As I...

    So that's why you don't see errors. As I mentioned errors appear only when the external SdFat library (not the one from Teensyduino) is installed, because the builder selects the wrong library for...
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    Probably because you don't have the SdFat library...

    Probably because you don't have the SdFat library installed.
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    SD library examples (eg. CardInfo) do not compile...

    SD library examples (eg. CardInfo) do not compile on Teensy 3.1/3.2 platform while they compile well on other platforms (e.g. ProMini) when SDFat library is installed in the main libraries directory....
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    Sounds great, thanks.

    Sounds great, thanks.
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    Since Teensy 3.2 is now available I believe it...

    Since Teensy 3.2 is now available I believe it needs to be added to boards list.
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    You are not setting the message length when...

    You are not setting the message length when sending from the second Teensy, so (buf[0] == 49) will always be false.
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    Check the comments in the FlexCAN.cpp to see...

    Check the comments in the FlexCAN.cpp to see whether you have the library version that does support 50000 baudrate. The latest version on github does, the official release 1.0 doesn't.
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    EagleUp + Maxwell renderer

    EagleUp + Maxwell renderer
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    That might help...

    That might help
    www.mikrocontroller.net/attachment/28831/siemens_AP2921.pdf
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    There is only one rule and it is very clear - as...

    There is only one rule and it is very clear - as long as you or anybody else is making ANY profit of it (and I know exactly what's the cost of components to build these boards), you are violating the...
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    You do realize that this project is meant for NON...

    You do realize that this project is meant for NON COMMERCIAL (i.e. personal) use only?
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    We can discuss it ;)

    We can discuss it ;)
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    I do not do them anymore. You can make the...

    I do not do them anymore. You can make the All-In-One shiled yourself if you want.
    https://oshpark.com/shared_projects/VeJFD9qA

    No idea if they can be used with Audio shield, never used one.
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    Not sure if you want to add any more corrections...

    Not sure if you want to add any more corrections in this release, but I've noticed that some of the examples (especially the ones for SD and SPI) are missing some CS pin description for Teensy 3.x....
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    Thanks Paul, will try that for sure. I'm also...

    Thanks Paul, will try that for sure. I'm also glad that the memory leak with auto scroll disabled was addressed. I think that was reason why the serial monitor became non-responsive sometimes after...
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    Paul, is there any more detailed changelog...

    Paul, is there any more detailed changelog available somewhere? I'm wondering what kind of improvements for ASM this Teensyduino version introduces.
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    Did you consider OSH park (https://oshpark.com/)?...

    Did you consider OSH park? They may have better prices.
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    I see Not quite, the connections will be...

    I see



    Not quite, the connections will be different as well (3V3 pin instead of VIN). And of course the transceiver (3V3 instead of 5V one)
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